Compilare: user.cpp: In function ‘int main()’: user.cpp:38:30: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(fi,"%d%d " ,&n,&m); ^ user.cpp:42:38: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(fi,"%c" ,&mat[i][j]); ^ user.cpp:58:23: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(fi,"\n"); ^ user.cpp:35:26: warning: ‘c2’ may be used uninitialized in this function [-Wmaybe-uninitialized] int i,j,b,e,l1,c1,l2,c2,l,c,rez,pas; ^ user.cpp:35:23: warning: ‘l2’ may be used uninitialized in this function [-Wmaybe-uninitialized] int i,j,b,e,l1,c1,l2,c2,l,c,rez,pas; ^ user.cpp:79:22: warning: ‘c1’ may be used uninitialized in this function [-Wmaybe-uninitialized] if(lung[l1][c1]>=rez+pas&&cauta(rez+pas,l1,c1,l2,c2)==1) ^ user.cpp:79:22: warning: ‘l1’ may be used uninitialized in this function [-Wmaybe-uninitialized]